Candice needs a topic sentence for the third paragraph (sentences 19-21). Which of the following sentences
should be inserted before sentence 19 to introduce the
ideas in this paragraph?
OA. Over time a vast array of creatures has come
to inhabit the Great Barrier Reef.
O B. Marine animal species that are threatened are
protected by the Great Barrier Reef Marine Park
Authority
o C. The biodiversity of the Great Barrier Reef
ensures its long-term existence.
OD. The waters along the Great Barrier Reef
provide a habitat for marine animals that
researchers study